#include <stdio.h>

int main()
{
    //int const a;
    /*
        const int a;
        int *p = &a;
        *p = 10;
        printf("a = %d\n", a);
    */
   /*
        int a = 1, b = 1;
        int* const p = &a;
        //p = &a;

        *p = 10;
        p = &b;
   */
    int a = 1;
    //int const *p;
    const int *p;
    p = &a;
    *p = 100;
    //a = 100;
    printf("a = %d\n", a);
}